If a Monopolist Is Practicing Perfect Price Discrimination,then the Following

Multiple Choice

If a monopolist is practicing perfect price discrimination,then the following equation is true:

A) MR = P for all units.
B) MR = 1/2 P for any unit.
C) AR = ATC at the profit-maximizing level of output.
D) MC = 1/2 MR at the profit-maximizing level of output.
E) P = AVC at the profit-maximizing level of output.